Home / 1,330,479.60-1,995,330.60-477,452.40

Finding the Fourth Proportional to 1,330,479.60, 1,995,330.60 and 477,452.40

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Solution

The fourth proportional to 1,330,479.60, 1,995,330.60 and 477,452.40 is: 716,039.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,479.60 : 1,995,330.60 = 477,452.40 : x
  2. Step 2: Convert to fraction form
    1,330,479.60/1,995,330.60 = 477,452.40/x
  3. Step 3: Cross multiply
    1,330,479.60x = 1,995,330.60 × 477,452.40
  4. Step 4: Simplify right side
    1,330,479.60x = 952,675,383,763.44
  5. Step 5: Solve for x
    x = 952,675,383,763.44/1,330,479.60
  6. Step 6: Final answer
    x = 716,039.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.